ZIP Code 45054

45054 is one of Ohio's ZIP codes, delivering to addresses in Oregonia, Warren County.

City: Oregonia
County: Warren County
State: Ohio
Prefix: 450xx

Where this code sits

45054 is part of the 450xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Oregonia.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 45054 delivers to without sharing its boundary.

ZIP codes nearest 45054

The ZIP codes whose reference points sit closest to 45054.
ZIP code	Distance	Delivers to
ZIP code 45113	4.9 mi	Clarksville, OH
ZIP code 45152	5.8 mi	Morrow, OH
ZIP code 45032	6.4 mi	Harveysburg, OH
ZIP code 45036	6.6 mi	Lebanon, OH
ZIP code 45068	8.0 mi	Waynesville, OH
ZIP code 45107	8.7 mi	Blanchester, OH
ZIP code 45065	9.0 mi	South Lebanon, OH
ZIP code 45162	9.0 mi	Pleasant Plain, OH

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 45054, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 45054. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.